15EE54T: Electrical Estimation and Costing Electrical 5th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Electrical Estimation and Costing detail DTE Kar Diploma syllabus for Electrical And Electronics Engineering (EE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EE54T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other electrical 5th sem syllabus for diploma c15 scheme dte karnataka you can visit Electrical 5th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for electrical estimation and costing is as follows.

Pre-requisites:

Knowledge about Elements of Electrical Engineering ,
Engineering Drawing, Electrical Wiring and Professional Ethics.

Course Objectives:

To enable the students to prepare the schedule of materials with specifications and estimates for different types of electrical installations.

Course Outcomes:

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.

UNIT I INTRODUCTION 05 HRS

Meaning of estimation, purpose of estimating and the factors to be considered while preparing estimations, qualities of a good estimator, Meaning of specification, importance of specification and the factors to be considered. Meaning of standardization and its advantages. Meaning of overhead charges, stock incidental charges, contingencies, supervision charges, labour charges, Inspection/Inspectorate charges, transportation charges and miscellaneous charges. Meaning of tender/tender notice, quotation, comparative statement, purchase order and work order. Importance / purpose of IE Act and IE Rules.
Meaning of earthing, touch potential and step potential, necessity of earthing, Points to be earthed, factors influencing earth resistance, methods of reducing earth resistance, standard values of earth resistance for various installations, method of selecting the size of earth conductor, types /methods of earthing, Pipe earthing-diagram, specifications of pipe earthing, Plate earthing-diagram and specifications of plate earthing.

UNIT II SERVICE MAINS 05 HRS

Meaning of service mains, code of Practice for service mains, types of service mains- Over Head Service Mains -materials and specifications, UG Service Mains -materials and specifications, Standard wire size table, current ratings for Aluminium, copper conductors and selection of size of conduit pipe as per the size and number of wires.
Load calculation, selection of size and type of conductor/UG cable, discrimination of size of protective devices, Quantity calculation, schedules of materials and estimates for single phase OH service connection, three phase OH service connection, single phase UG service connection and three phase UG service connection.

UNIT III LIGHTING INSTALLATIONS 12 HRS

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UNIT IV POWER INSTALLATIONS 08 HRS

Code of Practice for Power Installations, materials required for power circuit wiring and their specifications, Prepare the layout diagram of machines showing clearances as per IS standards, draw wiring plan of the Power circuit for workshops, Decide the type of wiring
system, load calculations, determine the size of conductors, main switch, Isolators, sub switches and protective devices, Draw the SLD of Power Distribution Scheme showing grading/discrimination of ratings of protective devices, Prepare the schedule of materials with specifications for workshops and their estimates, Determine the rating of motor for IP set and the concept (only)of pump house wiring.

UNIT V DISTRIBUTION LINES AND TRANSFORMER CENTRE 10 HOURS

Code of practice for Distribution Lines and Transformer centre, types of transformer centres -Pole mounted, plinth mounted, indoor and outdoor types. Determining the rating of Distribution Transformer. Write Specifications of the Distribution Transformer. Draw the SLD of a Transformer centre indicating the size of protective devices, Prepare the schedule of equipments /Materials with specifications for a 11KV/415V,100 KVA transformer centre and their estimates, 415 V LT line materials and specifications , method of calculating various LT line materials (only). Prepare the schedule of materials (only) for 3 phase 4 wire LT line, 11 KV HT Line-materials and their specifications, method of calculating various HT line materials and tapping structure, TOPO sheet and its use, Concept of combined estimates. Prepare the schedule of materials (only) for 11 KV single circuit HT line for Rural Electrification.
(Note: HT lines over head type only)

UNIT VI TRANSMISSION LINES AND SUBSTATIONS 07 HRS

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Reference Books:

1. Electrical Design Estimating and Costing. K.B.Raina&K.Battacharya. Khanna Publications.
2. Electrical Installation Estimating and Costing. J.B.Gupta S.K.Kataria and Sons
3. Electrical Wiring, Estimating and Costing. Dr.S.L.Uppal New age international limited
4. Electrical Estimating and costing. Surjit Singh DhanpatRai company.
5. Electrical Estimating and Costing. N.Alagappan and Ekambaram Tata McGraw Hill
6. Electrical wiring, Estimating and costing B.D.Arora R.B. Publication.
7. Electrical Estimating Specification and Costing M. RaghunathRao Eastern Book Promoters Belgaum (EBPB)

e-Resources:

1. http://www.electricaltechnology.org/2015/05/earthing-and-electrical-grounding-types-of-earthing.html
2. file://C:/Users/Dell/Downloads/guidelines%20for%20electrical%20wiring%20in%20resident ial%20buildings%20.pdf
3. http://www.cpwd.gov.in/Publication/Internal2013.pdf
4. http://bescom.org/wp-content/uploads/2013/01/PDFFILE1.pdf
5. http://mptransco.nic.in/tender files/volume-v.pdf (Transmission Line Materials and Installation work)
6. https://www.ergon.com.au/__data/assets/pdf_file/0004/146839/NI000401R121-Subs-Design-Manual.pdf

Course Delivery:

The Course will be delivered through lectures, classroom interaction, animations, group discussion, exercises and student activities, assignments.

Course Contents with Lecture Schedule:

1. Define estimation, explain the purpose of estimating and list the factors to be considered while preparing estimations. Discuss and list the qualities of a good estimator. Define specification, explain the importance of Specifications and list the factors to be considered. 01 Hour
2. Define standardization, List the advantages of standardization, Explain overhead charges, stock incidental charges, contingencies , supervision charges, labour charges, Inspection/Inspectorate charges , transportation charges and miscellaneous charges. 01 Hour
3. Explain tender/tender notice, quotation, comparative statement, purchase order and work order. Explain the importance/purpose of I.E Act and I.E Rules. 01 Hour
4. Define the terms – earthing ,touch potential and step potential, explain the necessity of earthing, list the Points to be earthed, point out the factors influencing earth resistance, list the methods of reducing earth resistance, classify standard values of earth resistance for various installations. Specify the method of selecting the size of earth conductor. 01 Hour
5. List the types /methods of Earthing. Explain Pipe earthing with diagram . Write the specifications of pipe earthing Explain Plate earthing with diagram. Write the specifications of plate earthing. 01 Hour
6. Define service mains. List the code of Practice for service mains. 01 Hour
7. List the types of service mains-Explain Over Head Service Mains with diagram. List the materials. Write the specification of materials. 01 Hour
8. Explain UG Service Mains with diagram. List the materials. Write the specifications of materials. 01 Hour
9. Interpret standard wire size table, current ratings for Aluminium copper conductors and selection of size of conduit pipe as per the size and number of wires. 01 Hour
10. Explain the general procedure for – Load calculation, selection of size and type of conductor/UG cable, discrimination of size of protective devices; decide the nature of supply and type of service main. 01 Hour
11. Solve one simple example- Quantity calculation and schedules of materials for providing single phase OH service connection for electrification of a residential building. 01 Hour
12. Prepare the estimate of cost for the above. 01 Hour
13. Solve one simple example- Quantity calculation and schedule of materials for providing three phase OH service connection for electrification of a commercial building. Prepare the estimate of cost for the above. 01 hour
14. Solve one simple example-Quantity calculation and schedule of material for providing single phase UG service connection for Electrification of a residential building. Prepare the estimate of cost for the above. 01 hour
15. Solve one simple example-Quantity calculation and schedule of material for providing three phase UG service connection for Electrification of a workshop. Prepare the estimate of cost for the above. 01 Hour
16. List code of Practice for Lighting Installations. Interior Wiring – List the types and their applications. Point out the factors to be considered while selecting the type of wiring system. 01 Hour
17. List the materials required for Interior wiring. Write their specifications. Specify the method of deciding the number of sub-circuits, calculating the quantity of wiring materials and accessories for the Interior Wiring. 01 Hour
18. Solve one simple example on Interior wiring with single circuit- calculate the load-Propose Lighting and heating loads for a residential building. Determine the size of conductors, main switch, sub switches and protective devices. 01 Hour
19. Draw wiring plan for the above residential building for AEH Installation. Explain the concept of horizontal run, vertical rise and vertical drop. 01 Hour
20. Prepare the schedule of materials for providing lighting circuit wiring for the above. 01 Hour
21. Estimate the cost for the above lighting circuit. 01 Hour
22. Prepare the schedule of materials for providing heating circuit wiring for the above. Determine the size of conductors, main switch, sub switches and protective devices. 01 Hour
23. Estimate the cost for the above heating circuit wiring. 01 Hour
24. Solve one simple example on Interior wiring having 2 subcircuits (lighting load greater than 800 W).Draw the wiring plan , calculate the load – Propose Lighting and heating loads for a residential building. Determine the size of conductors, main switch, sub switches and protective devices. 01 Hour
25. Prepare the schedule of materials for the above. 01 Hour
26. Prepare the estimate of cost for the above. 01 Hour
27. Procedure (only) for converting lighting to AEH installation. 01 Hour
28. List code of Practice for Power Installations. List the materials required for power circuit wiring. Write their specifications. 01 Hour
29. Solve one example – Prepare the layout diagram of machines showing clearances as per IS standards. 01 Hour
30. Solve one simple example -Draw wiring plan of the Power circuit for a small workshop with one machines of 10 HP rating. Decide the type of wiring system. 01 Hour
31. Explain the procedure for- load calculations, determine the size of conductors, main switch, Isolators, sub switches and protective devices for the above. 01 Hour
32. Draw the SLD of Power Distribution Scheme showing grading/discrimination of ratings of protective devices. 01 Hour
33. Prepare the schedule of materials with specifications for the above the workshop. Use surface conduit system. 01 Hour
34. Prepare the estimate of cost for the above. 01 Hour
35. Determine the rating of motor for IP set. Explain the concept (only) of pump house wiring. 01 Hour
36. List code of practice for Distribution Lines. 01 Hour
37. Transformer centre -Describe the types- Pole mounted, plinth mounted, indoor and outdoor types. 01 Hour
38. Solve one simple example on determining the rating of Distribution Transformer. Write Specifications of the Distribution Transformer. 01 Hour
39. Draw the SLD of a Transformer centre indicating the size of protective devices. Prepare the schedule of equipments / Materials with specifications for a 11KV/415V, 100 KVA transformer centre. 01 Hour
40. Prepare estimate of cost for the above transformer centre. 01 Hour
41. 415 V LT lines- List the Materials (only) with specifications and specify the method of calculating various LT line materials. 01 Hour
42. Prepare the schedule of materials (only) for 3 phase 4 wire LT line for Electrification of a factory. One simple example. 01 Hour
43. 11 KV HT Lines (over head type) only- List the Materials with specifications. Specify the method of calculating various HT line materials. 01 Hour
44. Explain tapping structure and list the materials required for tapping structure. Describe TOPO sheet and its use. Discuss the concept of combined estimate. 01 Hour
45. Prepare the schedule of materials (only) for 11 KV single circuit HT line for Rural Electrification. One simple example. 01 Hour
46. List the code of practice for Transmission lines. List the transmission line materials and write their specifications. 01 Hour
47. Classify the types of Towers, ACSR conductors and Number of Disc insulators in suspension string, strain string, span and height of towers for 66 KV, 110 KV, 220 KV transmission lines. Explain the concept of single circuit and double circuit transmission lines. Specify the method of calculating the Quantity of transmission line materials. 01 Hour
48. Solve one simple example-Prepare the schedule of materials (only) for 66KV single circuit transmission line. 01 Hour
49. Solve one simple example-Prepare the schedule of materials (only) for110 KV single circuit transmission line. 01 Hour
50. Solve one simple example- Prepare the schedule of materials (only) for 220 KV single circuit transmission line. 01 Hour
51. 66KV/11KV, 5 MVA substations- Draw the Single Line diagram and label the various equipments with ratings. 01 Hour
52. 66KV/11KV, 5 MVA substations- list the Electrical equipments/ materials (only) and write their specifications. 01 Hour

Suggested Student Activities:

(Any one to be submitted with 3 pages SELF HAND WRITTEN report):

1. Study the construction and working of chemical earthing and maintenance free earthing.
2. Draw the wiring plan of class rooms in a school/college (say 5 to10 class rooms) and prepare the estimate of cost for providing lighting circuit wiring.
3. Draw the wiring plan for an office and estimate the cost for providing lighting and power circuits.
4. Draw the wiring plan of an auditorium and estimate the cost of lighting circuit wiring. Study the illumination system/ type of
5. Visit the lathe machine shop or workshop in the polytechnic campus, prepare the layout plan of machines, draw the wiring plan of power circuit and estimate its cost.
6. Draw the distribution board /panel of your polytechnic. Draw the single line diagram of power distribution scheme and show the details of rating of MCBs, fuses and switches.
7. Study the distribution board, draw the (SLD) single line diagram of power distribution scheme in apartments/commercial buildings/hospitals/hotels. Show the details of rating of MCBs, fuses and switches.
8. Study the external electrical wiring of UPS and prepare estimate of cost for installation of UPS.
9. Draw the wiring plan of a 3BHK apartment, calculate the load and estimate the cost for providing lighting and heating circuits for Multi-storey (say 5 floors).
10. Visit electrical shops, identify the products displayed, know the specifications and collect the price list of electrical items/accessories used in lighting and heating circuits. Compare the prices of different makes.
11. Study the office procedures followed by section officers/junior engineers of electricity boards for tenders, estimation and execution of electrical works.
12. Studythe electrical wiring of submersible pump sets. Estimate the cost.

Model Question Paper:

(CIE)

1. List the factors to be considered while preparing estimates.
2. Sketch Pipe earthing and label the parts OR Explain the importance/purpose of I.EAct and I.E Rules.
3. Prepare the schedule of materials only for providing OH service connection to a residential building with 1 KW lighting and 2.5 KW heating load. The supplier pole is 10 m awayfrom the building.

Model Question Paper:

1. Define estimation. List the factors to be considered. 5
2. Define standardisation. List the advantages of standardisation. 5
2. Prepare the schedule of materials and estimate their cost for providing OH service connection to a residential building with 1 KW lighting and 2.5 KW heating load. The supplier pole is 10 m away from the building. 20
3. The sketch given below shows the plan of a residential building which has to be wired up as an AEH installation. (plan to be given)
1. Draw the wiring plan for AEH. 05
2. Propose the load requirements for lighting. 05
3. Prepare the schedule of materials for lighting circuit. 08
4. Prepare the estimate the cost for the above lighting circuit. 07

Use concealed conduit system of wiring.

4. Draw the wiring plan for the given workshop (plan to be given) and prepare the schedule of materials with specifications for providing power circuit wiring. 15
5. Prepare the schedule of materials with specifications and estimate the cost for erection of a 100 KVA transformer centre.

OR Prepare the schedule of materials with specifications for tapping and extending a 11 KV rural feeder for a distance of 7 KM. Assume span as 80m. 20

6. Prepare the schedule of materials (only) required for running a80 KM long 66 KV single circuit transmission line. Assume average span as 300 m

OR List any five electrical equipments used in 66KV/11KV substation with specifications. 10

For detail syllabus of all other subjects of BE Electrical, C15 scheme do visit Electrical 5th Sem syllabus for C15 scheme.

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